A heating device for inner pot of pressure cooker
The inner pot heating device for pressure cookers addresses non-uniform heating and pressure issues by using a motor-driven gear system with movable levers and valves to ensure uniform heating and timely pressure compensation.
Patent Information
- Application Number
- CN201911022266.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-10-25
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2039-10-25
AI Technical Summary
Existing inner pot heating devices for pressure cookers face issues with forming uniform heat flow and timely pressure replenishment during liquid discharge, leading to inefficient heating and operational challenges.
The device incorporates a motor-driven gear system with movable levers and valves to control fluid flow and pressure, featuring a liquid blocking plate, heating box, reflux pump, and micro air pump to facilitate uniform heating and pressure compensation.
Enables uniform heating of liquid in the inner pot through heat reflux and timely pressure replenishment, enhancing the overall heating efficiency and usability of the inner pot heating device.
Smart Images

Figure CN110664262B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of inner pot heating devices, and in particular relates to an inner pot heating device for a pressure cooker. Background Art
[0002] The inner pot heating device is a device that heats the liquid inside the pot. It is simple to use, safe and reliable. The related types of devices on the market will cause the pull rod to be blocked after heating due to the deformation of related components, resulting in the valve opening and closing not being smooth. In addition, because the components of the valve device are scattered and fixed on the heating component, the valve components are easily affected by expansion after heating, causing the valve to open and close not smoothly.
[0003] At present, when using the inner pot heating device, it is difficult for the inner pot heating device to form heat flow in the inner pot, which affects the effect of the inner pot heating device uniformly heating the inner pot liquid. At the same time, when using the inner pot heating device, it is difficult for the inner pot heating device to replenish the inner pot pressure in time when discharging the inner pot liquid, which affects the use effect of the inner pot heating device. Summary of the invention
[0004] The object of the present invention is to provide a pressure cooker inner pot heating device to solve the problem that when using the existing inner pot heating device, the inner pot heating device is difficult to form heat flow in the inner pot and the inner pot heating device is difficult to replenish the inner pot pressure in time when discharging the inner pot liquid.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a device for heating an inner pot of a pressure cooker, comprising a pot body, characterized in that: an installation partition is fixedly installed on the inner side of the pot body, a motor is installed on the bottom end of the installation partition, a gear is rotatably connected to the top end of the motor through a rotating shaft, a movable tooth plate is meshedly connected to one side of the gear, a movable lever is fixedly installed on the top end of the movable tooth plate, a pot cover is arranged on the inner side of the pot body, the pot cover is located above the installation partition, an inner pot is arranged on the inner side of the pot cover, a water guide pipe is installed through the inner side of the installation partition, a first flow regulating valve is installed on the top end of the water guide pipe, a push-pull member of the first flow regulating valve is fixedly connected to the movable lever, a transmission pull rod is fixedly connected to one side of the movable pull rod, an air transfer pipe is arranged on the inner side of the inner pot, a second flow regulating valve is arranged at the middle position of the air transfer pipe, and the end of the transmission pull rod is fixedly connected to the push-pull rod of the second flow regulating valve.
[0006] Preferably, a one-way valve is provided at the top end of the air transfer tube, and a micro air pump is connected to the bottom end of the air transfer tube.
[0007] Preferably, a linkage push rod is fixedly installed on the side of the movable lever away from the transmission pull rod through a transmission connecting rod, the linkage push rod passes through the bottom end of the inner pot and extends to the inner side of the inner pot, and the linkage push rod is slidably connected to the inner pot through a slide groove.
[0008] Preferably, a liquid blocking plate is fixedly mounted on the top end of the linkage push rod, and a liquid leakage groove runs through the inner side of the liquid blocking plate.
[0009] Preferably, the top end of the liquid blocking plate is slidably connected to a top liquid transfer tube via a slide groove, and the bottom end of the inner pot is penetrated by a liquid discharge pipe corresponding to the top liquid transfer tube.
[0010] Preferably, the drainage pipe passes through the inner side of the mounting partition and extends to the bottom end of the mounting partition.
[0011] Preferably, a heating box is connected to the end of the drainage pipe, a heating plate is provided inside the heating box, one side of the heating box is connected to a reflux pump via a pipe, and a reflux pipe is provided on one side of the reflux pump.
[0012] Preferably, the reflux pipe runs through the bottom end of the inner pot and extends to the inner side of the inner pot, the end of the reflux pipe is connected to an annular pipe, and a liquid leakage groove is provided on the inner side of the annular pipe.
[0013] Preferably, a heating plate is provided inside the inner pot.
[0014] Preferably, the first flow regulating valve includes a valve body, an inner side of the valve body is penetrated by an adjusting groove, an inner side of the adjusting groove of the valve body is penetrated by a side slide, a magnetic block is provided on one side of the side slide, and the inner side of the side slide is slidably connected with a push-pull member for adjusting the opening and closing size of the groove.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] (1) The present invention is provided with a liquid blocking plate, a liquid leakage groove and a heating box. When the movable lever moves to the side close to the linkage push rod, the movable lever drives the linkage push rod to move, and the linkage push rod drives the liquid blocking plate to move. The movable lever moves to the rightmost end, and the first flow regulating valve is completely closed. The movable lever drives the liquid leakage groove penetrating the inner side of the liquid blocking plate to move to the bottom end of the top liquid transfer tube. The liquid leakage groove, the top liquid transfer tube and the liquid discharge pipe are connected. The liquid in the inner pot flows into the heating box through the liquid leakage groove, the top liquid transfer tube and the liquid discharge pipe for heating. After the heating box is heated, the liquid flows back to the annular pipe through the reflux pipe under the action of the reflux pump and flows out through the annular pipe. This is convenient for the liquid in the inner pot to form heat reflux when heating the liquid in the inner pot, thereby accelerating the uniform heating of the liquid in the inner pot and avoiding the problem that when the inner pot heating device is used, it is difficult for the inner pot heating device to form heat flow in the inner pot, thereby affecting the effect of the inner pot heating device uniformly heating the liquid in the inner pot.
[0017] (2) The present invention is provided with a one-way valve, an air transmission tube and a micro air pump. The motor drives the gear to rotate, the gear drives the movable tooth plate to move, the movable tooth plate drives the movable lever to move, and the movable lever can drive the push-pull member of the first flow regulating valve to move, so as to adjust the opening degree of the regulating slot of the first flow regulating valve. When the first flow regulating valve is opened, the movable lever drives the push-pull member of the second flow regulating valve to move through the transmission pull rod, the second flow regulating valve is opened, the power supply of the micro air pump is turned on, and the micro air pump introduces air into the inner pot through the air transmission tube. The second flow regulating valve has the same structure as the first flow regulating valve, so it is convenient to control the second flow regulating valve to have the same opening degree as the first flow regulating valve, so as to compensate for the pressure in the inner pot, thereby avoiding the problem that when the inner pot heating device is used, it is difficult for the inner pot heating device to replenish the inner pot pressure in time when discharging the inner pot liquid, thereby affecting the use effect of the inner pot heating device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the present invention;
[0019] Figure 2 It is a schematic diagram of the structure of the mounting partition of the present invention;
[0020] Figure 3 It is a schematic diagram of the structure of the movable tooth plate of the present invention;
[0021] Figure 4 It is a schematic diagram of the structure of the first flow regulating valve of the present invention.
[0022] Figure 5 It is a schematic diagram of the structure of the air transmission tube of the present invention;
[0023] Figure 6 It is a schematic diagram of the linkage push rod structure of the present invention;
[0024] In the figure: 1-top liquid transfer tube, 2-leakage groove, 3-liquid blocking plate, 4-first flow regulating valve, 401-magnetic block, 402-valve body, 403-push-pull member, 404-side slide, 5-heating plate, 6-check valve, 7-reflux pipeline, 8-reflux pump, 9-heating box, 10-linked push rod, 11-water guide pipe, 12-motor, 13-movable gear plate, 14-micro air pump, 15-air transfer tube, 16-installation partition, 17-inner pot, 18-pot cover, 19-pot body, 20-drainage pipeline, 21-annular tube, 22-gear, 23-movable lever, 24-transmission pull rod, 25-second flow regulating valve. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0026] See also Figure 1-6 As shown, the present invention provides the following technical solution: a pressure cooker inner pot heating device, comprising a pot body 19, characterized in that: a mounting partition 16 is fixedly installed on the inner side of the pot body 19, a motor 12 is installed on the bottom end of the mounting partition 16, a gear 22 is rotatably connected to the top end of the motor 12 through a rotating shaft, a movable tooth plate 13 is meshedly connected to one side of the gear 22, a movable lever 23 is fixedly installed on the top end of the movable tooth plate 13, a pot cover 18 is arranged on the inner side of the pot body 19, and the pot cover 18 is located above the mounting partition 16 In the embodiment of the present invention, an inner pot 17 is arranged on the inner side of the pot cover 18, a water pipe 11 is installed through the inner side of the mounting partition 16, a first flow regulating valve 4 is installed on the top of the water pipe 11, a push-pull member 403 of the first flow regulating valve 4 is fixedly connected to a movable lever 23, a transmission pull rod 24 is fixedly connected to one side of the movable lever 23, an air transfer pipe 15 is arranged on the inner side of the inner pot 17, a second flow regulating valve 25 is arranged at the middle position of the air transfer pipe 15, and the end of the transmission pull rod 24 is fixedly connected to the push-pull rod of the second flow regulating valve 25.
[0027] A one-way valve 6 is provided at the top end of the air transfer tube 15 , and a micro air pump 14 is connected to the bottom end of the air transfer tube 15 .
[0028] A linkage push rod 10 is fixedly installed on the side of the moving lever 23 away from the transmission pull rod 24 through a transmission connecting rod. The linkage push rod 10 passes through the bottom end of the inner pot 17 and extends to the inner side of the inner pot 17. The linkage push rod 10 is slidably connected to the inner pot 17 through a slide groove.
[0029] A liquid blocking plate 3 is fixedly mounted on the top end of the linkage push rod 10 , and a liquid leakage groove 2 is penetrated through the inner side of the liquid blocking plate 3 .
[0030] The top end of the liquid blocking plate 3 is slidably connected to the top liquid transfer tube 1 through a slide groove, and the bottom end of the inner pot 17 is penetrated by a liquid discharge pipe 20 corresponding to the top liquid transfer tube 1.
[0031] The drain pipe 20 passes through the inner side of the mounting partition 16 and extends to the bottom end of the mounting partition 16 .
[0032] The end of the discharge pipe 20 is connected to a heating box 9 , a heating plate is arranged inside the heating box 9 , one side of the heating box 9 is connected to a reflux pump 8 through a pipe, and a reflux pipe 7 is arranged on one side of the reflux pump 8 .
[0033] The reflux pipe 7 passes through the bottom end of the inner pot 17 and extends to the inner side of the inner pot 17 . The end of the reflux pipe 7 is connected to an annular pipe 21 , and a liquid leakage groove is provided on the inner side of the annular pipe 21 .
[0034] A heating plate 5 is provided inside the inner pot 17 .
[0035] The first flow regulating valve 4 includes a valve body 402, an adjusting groove is penetrated on the inner side of the valve body 402, a side slide 404 is penetrated on the inner side of the adjusting groove of the valve body 402, a magnetic block 401 is provided on one side of the side slide 404, and a push-pull member 403 for adjusting the opening and closing size of the groove is slidably connected to the inner side of the side slide 404.
[0036] The working principle and use process of the present invention are as follows: when the present invention is in use, the user turns on the power of the device, the motor 12 drives the gear 22 to rotate, the gear 22 drives the movable tooth plate 13 to move, the movable tooth plate 13 drives the movable lever 23 to move, and the movable lever 23 can drive the push-pull member 403 of the first flow regulating valve 4 to move, so as to adjust the opening degree of the regulating slot of the first flow regulating valve 4. When the first flow regulating valve 4 is opened, the movable lever 23 drives the push-pull member of the second flow regulating valve 25 to move through the transmission pull rod 24, the second flow regulating valve 25 is opened, the power of the micro air pump 24 is turned on, and the micro air pump 24 introduces air into the inner pot 17 through the air transmission pipe 15. The second flow regulating valve 25 has the same structure as the first flow regulating valve 4, so it is convenient to control the second flow regulating valve 25 to have the same opening degree as the first flow regulating valve 4, so as to compensate the pressure in the inner pot 17. When the moving lever 23 moves to the side close to the linkage push rod 10, the moving lever 23 drives the linkage push rod 10 to move, and the linkage push rod 10 drives the liquid blocking plate 3 to move. The moving lever 23 moves to the rightmost end, and the first flow regulating valve 4 is completely closed. The moving lever 23 drives the leakage groove 2 penetrating the inner side of the liquid blocking plate 3 to move to the bottom end of the top liquid transfer tube 1. The leakage groove 2, the top liquid transfer tube 1 and the discharge pipe 20 are connected. The liquid in the inner pot 17 flows into the heating box 9 through the leakage groove 2, the top liquid transfer tube 1 and the discharge pipe 20 for heating. After the heating box 9 is heated, the liquid flows back to the annular pipe 21 through the reflux pipe 7 under the action of the reflux pump 8, and flows out through the annular pipe 21, so that when the liquid in the inner pot 17 is heated, the liquid in the inner pot 17 forms heat reflux, thereby accelerating the uniform heating of the liquid in the inner pot 17.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A heating device for a pressure cooker inner pot, comprising a pot body (19), characterized in that: A mounting partition (16) is fixedly mounted on the inner side of the pot body (19); a motor (12) is mounted on the bottom end of the mounting partition (16); a gear (22) is rotatably connected to the top end of the motor (12) via a rotating shaft; a movable tooth plate (13) is meshedly connected to one side of the gear (22); a movable lever (23) is fixedly mounted on the top end of the movable tooth plate (13); a pot cover (18) is arranged on the inner side of the pot body (19); the pot cover (18) is located above the mounting partition (16); an inner pot (17) is arranged on the inner side of the pot cover (18) A water pipe (11) is installed through the inner side of the installation partition (16), a first flow regulating valve (4) is installed at the top end of the water pipe (11), a push-pull member (403) of the first flow regulating valve (4) is fixedly connected to a movable lever (23), a transmission pull rod (24) is fixedly connected to one side of the movable lever (23), an air transfer pipe (15) is arranged on the inner side of the inner pot (17), a second flow regulating valve (25) is arranged at the middle position of the air transfer pipe (15), and the end of the transmission pull rod (24) is fixedly connected to the push-pull rod of the second flow regulating valve (25); A one-way valve (6) is arranged at the top end of the air transfer tube (15), and a micro air pump (14) is connected to the bottom end of the air transfer tube (15); a linkage push rod (10) is fixedly installed on the side of the movable lever (23) away from the transmission pull rod (24) through a transmission connecting rod, and the linkage push rod (10) passes through the bottom end of the inner pot (17) and extends to the inner side of the inner pot (17), and the linkage push rod (10) is slidably connected to the inner pot (17) through a slide groove; a liquid blocking plate (3) is fixedly installed at the top end of the linkage push rod (10), and a liquid leakage groove (2) is passed through the inner side of the liquid blocking plate (3); the top end of the liquid blocking plate (3) is slidably connected to the top end of the liquid transfer tube (1) through a slide groove, and the inner pot (17) is connected to the inner pot (17) through a slide groove. The bottom end of the inner pot (17) is penetrated by a drainage pipe (20) corresponding to the top liquid transfer pipe (1); the drainage pipe (20) penetrates the inner side of the mounting baffle (16) and extends to the bottom end of the mounting baffle (16); the end of the drainage pipe (20) is connected to a heating box (9), the inner side of the heating box (9) is provided with a heating plate, one side of the heating box (9) is connected to a reflux pump (8) through a pipe, and one side of the reflux pump (8) is provided with a reflux pipe (7); the reflux pipe (7) penetrates the bottom end of the inner pot (17) and extends to the inner side of the inner pot (17), the end of the reflux pipe (7) is connected to an annular pipe (21), and the inner side of the annular pipe (21) is provided with a liquid leakage groove.
2. The inner pot heating device of a pressure cooker according to claim 1, characterized in that: A heating plate (5) is arranged inside the inner pot (17).
3. The inner pot heating device of a pressure cooker according to claim 1, characterized in that: The first flow regulating valve (4) comprises a valve body (402), an adjusting groove is penetrated on the inner side of the valve body (402), a side slideway (404) is penetrated on the inner side of the adjusting groove of the valve body (402), a magnetic block (401) is arranged on one side of the side slideway (404), and a push-pull member (403) for adjusting the opening and closing size of the groove is slidably connected to the inner side of the side slideway (404).
